Definition of courtesies:
(n) :
(uncountable) Polite behavior.
(n) :
(countable) A polite gesture or remark, especially as opposed to an obligation or standard practice.
(n) :
(uncountable) Consent or agreement in spite of fact; indulgence.
(n) :
(uncountable) Willingness or generosity in providing something needed.
(n) :
(dated) A curtsey.
(n) :
(law) The life interest that the surviving husband has in the real or heritable estate of his wife.